Circular Glass Manhole Cover for Tank Inspection
This glass pressure manhole cover allows visual inspection of tank contents. It features a stainless steel frame, a clear glass viewport, and adjustable clamping knobs for a secure seal.



Technical Specifications
Overview
High-Performance Glass Manhole Cover
This circular glass pressure manhole cover is engineered for critical applications in food, beverage, and pharmaceutical industries. It features a robust design capable of withstanding working pressures between 2 and 5 bar, ensuring operational safety and reliability. The unit is constructed from high-grade stainless steel with a clear glass viewport, allowing for precise visual inspection of vessel contents without compromising the seal.
Technical Specifications
Working Pressure
Surface Finish
- Internal: Ra 0.8μm-0.5μm
- Outside: Mirror polish
- Outside: Matt finish
- Outside: Sand-blasting finished
- Material Grade
- AISI 304 (1.4301)AISI 316L (1.4404)
Compliance & Standards
Gasket Material Options
- Certifications
- 3-A-84-02FDA 177.2600
Dimensions
Available Sizes (mm)
- 200
- 220
- 250
- 300
- 350
- 400
- 450
- 500
- 600
Available Heights (mm)
- 100
- 120
- 150



